:root {
  color-scheme: dark;
  --bg: #07090d;
  --surface: rgba(15, 18, 24, 0.86);
  --surface-strong: #13171e;
  --surface-soft: #0d1016;
  --line: rgba(255, 255, 255, 0.09);
  --line-bright: rgba(139, 245, 229, 0.3);
  --text: #f2f5f4;
  --muted: #899198;
  --cyan: #8bf5e5;
  --cyan-strong: #42d9c2;
  --amber: #f7bd62;
  --violet: #b9a2ff;
  --panel-radius: 20px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--bg); }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 52% 44%, rgba(44, 109, 103, 0.16), transparent 34rem),
    radial-gradient(circle at 88% 8%, rgba(95, 72, 154, 0.12), transparent 24rem),
    var(--bg);
  overflow-x: hidden;
}

button, input { font: inherit; }
button, label[for] { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, label[for]:focus-within {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.app-shell { min-height: 100vh; padding: 16px; }

.topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 8px 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.brand strong { font-weight: 700; }
.brand-mark { position: relative; width: 30px; height: 30px; display: block; }
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  width: 19px;
  height: 1px;
  left: 6px;
  top: 14px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transform: rotate(38deg);
  transform-origin: center;
}
.brand-mark::after { transform: rotate(-38deg); }
.brand-mark i {
  position: absolute;
  z-index: 1;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 12px rgba(139, 245, 229, 0.45);
}
.brand-mark i:nth-child(1) { top: 2px; left: 12px; }
.brand-mark i:nth-child(2) { bottom: 3px; left: 2px; }
.brand-mark i:nth-child(3) { right: 2px; bottom: 3px; }

.topbar-actions, .graph-actions { display: flex; align-items: center; gap: 8px; }
.privacy-pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  color: var(--cyan);
  border: 1px solid rgba(139, 245, 229, 0.18);
  border-radius: 999px;
  background: rgba(139, 245, 229, 0.05);
  font: 500 0.75rem ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.button, .icon-button {
  border: 1px solid transparent;
  color: var(--text);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.button:hover, .icon-button:hover { transform: translateY(-1px); }
.button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
}
.button-primary { background: var(--cyan); color: #06110f; }
.button-primary:hover { background: #a8fff1; }
.button-ghost { background: transparent; border-color: var(--line); }
.button-ghost:hover, .button-secondary:hover { border-color: rgba(255, 255, 255, 0.22); background: rgba(255,255,255,0.04); }
.button-secondary { background: rgba(255,255,255,0.035); border-color: var(--line); }
.full-width { width: 100%; }

.workspace {
  display: grid;
  grid-template-columns: minmax(238px, 0.74fr) minmax(460px, 2.2fr) minmax(250px, 0.82fr);
  gap: 12px;
  height: max(650px, calc(100vh - 96px));
  min-height: 650px;
}

.panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: linear-gradient(145deg, rgba(19, 23, 30, 0.91), rgba(10, 12, 17, 0.86));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.library, .inspector { padding: 22px; }
.library { display: flex; flex-direction: column; min-height: 0; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.eyebrow, .section-label, .node-id, .map-label {
  margin: 0 0 7px;
  color: var(--muted);
  font: 500 0.7rem ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 18px; font-size: 1.38rem; letter-spacing: -0.04em; }
h2 { margin-bottom: 6px; font-size: 1rem; letter-spacing: -0.025em; }
.count-badge {
  display: grid;
  place-items: center;
  min-width: 30px;
  height: 30px;
  padding: 0 8px;
  border-radius: 9px;
  color: var(--cyan);
  background: rgba(139, 245, 229, 0.08);
  font: 500 0.75rem ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.search-field {
  display: grid;
  grid-template-columns: 20px 1fr auto;
  align-items: center;
  gap: 7px;
  min-height: 43px;
  margin-bottom: 18px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(0,0,0,0.16);
  color: var(--muted);
}
.search-field input { min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 0.875rem; }
.search-field input::placeholder { color: #636b72; }
kbd { padding: 2px 6px; border: 1px solid var(--line); border-radius: 5px; color: #6f777e; font: 0.68rem ui-monospace, "Cascadia Code", monospace; }

.note-list { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 4px; overflow: auto; margin: 0 -7px; padding: 0 7px; }
.note-item {
  width: 100%;
  display: grid;
  grid-template-columns: 8px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 11px 8px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: #c8cdcf;
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.note-item:hover { background: rgba(255,255,255,0.025); }
.note-item.active { color: var(--text); border-color: rgba(139, 245, 229, 0.18); background: rgba(139, 245, 229, 0.055); }
.note-item > i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }
.note-copy { min-width: 0; }
.note-copy strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.875rem; font-weight: 600; }
.note-copy span { display: block; margin-top: 3px; color: var(--muted); font: 0.7rem ui-monospace, "Cascadia Code", monospace; }
.note-score { color: #687077; font: 0.68rem ui-monospace, "Cascadia Code", monospace; }

.empty-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 22px 10px;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}
.empty-list strong { color: #cbd0d1; font-size: 0.875rem; }

.list-skeleton { display: flex; flex-direction: column; gap: 13px; padding: 8px 3px; }
.list-skeleton i {
  display: block;
  height: 38px;
  border-radius: 9px;
  background: linear-gradient(90deg, rgba(255,255,255,.025), rgba(255,255,255,.055), rgba(255,255,255,.025));
  background-size: 220% 100%;
  animation: shimmer 1.6s linear infinite;
}

.drop-hint {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding: 13px;
  border: 1px dashed rgba(255,255,255,0.12);
  border-radius: 12px;
  color: var(--muted);
  transition: border-color 160ms ease, background 160ms ease;
}
.drop-hint.dragging { border-color: var(--cyan); background: rgba(139,245,229,0.06); }
.drop-hint > span { color: var(--cyan); font-size: 1.25rem; }
.drop-hint p { margin: 0; font-size: 0.75rem; line-height: 1.55; }
.drop-hint strong { color: #cbd0d1; font-weight: 600; }

.atlas { min-height: 0; display: grid; grid-template-rows: auto 1fr auto; }
.atlas-toolbar, .atlas-footer { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 19px 22px; }
.atlas-toolbar { border-bottom: 1px solid var(--line); }
.atlas-toolbar h2 { margin: 0; }
.icon-button { width: 34px; height: 34px; border-color: var(--line); border-radius: 9px; background: rgba(255,255,255,0.025); font-size: 1rem; }
.canvas-wrap {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  background:
    linear-gradient(rgba(255,255,255,0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.024) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(81, 166, 154, 0.11), transparent 45%);
  background-size: 34px 34px, 34px 34px, 100% 100%;
}
.canvas-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 70px 25px rgba(7,9,13,0.72);
}
#graph-canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; }
#graph-canvas { touch-action: none; }
#graph-canvas:active { cursor: grabbing; }
.map-label { position: absolute; left: 17px; top: 15px; z-index: 3; }
.legend {
  position: absolute;
  z-index: 3;
  right: 16px;
  bottom: 14px;
  display: flex;
  gap: 12px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8,10,14,0.68);
  backdrop-filter: blur(10px);
  color: var(--muted);
  font: 0.68rem ui-monospace, "Cascadia Code", monospace;
}
.legend > span { display: flex; align-items: center; gap: 5px; }
.legend-dot { width: 5px; height: 5px; border-radius: 50%; }
.dot-cyan { background: var(--cyan); }.dot-amber { background: var(--amber); }.dot-violet { background: var(--violet); }
.legend-line { width: 13px; height: 1px; background: linear-gradient(90deg, var(--cyan), var(--violet)); }
.legend-ring { width: 8px; height: 8px; border: 1px solid #fff; border-radius: 50%; background: var(--cyan); }

.atlas-footer { border-top: 1px solid var(--line); }
.metric { display: flex; flex-direction: column; min-width: 78px; }
.metric strong { font: 500 0.92rem ui-monospace, "Cascadia Code", monospace; }
.metric span { margin-top: 3px; color: var(--muted); font-size: 0.72rem; }
.metric-wide { flex: 1; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; }
.metric-wide span { margin: 0; white-space: nowrap; }
.metric-wide strong { min-width: 36px; text-align: right; color: var(--cyan); font-size: 0.73rem; }
input[type="range"] { width: 100%; accent-color: var(--cyan-strong); cursor: pointer; }

.inspector { min-height: 0; padding-bottom: 92px; }
.inspector::before { content: ""; position: absolute; inset: 0 0 auto; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: 0.55; }
.inspector-topline { display: flex; justify-content: space-between; align-items: center; margin-bottom: 44px; }
.node-id { margin: 0; color: #626b71; }
.live-dot { display: inline-flex; align-items: center; gap: 6px; color: var(--cyan); font: 0.68rem ui-monospace, "Cascadia Code", monospace; }
.live-dot::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.inspector h2 { margin: 4px 0 12px; font-size: 1.65rem; line-height: 1.15; }
#detail-excerpt { color: #9da4a7; font-size: 0.875rem; line-height: 1.7; }
.keyword-block, .connections-block { margin-top: 28px; }
.section-label { display: block; margin-bottom: 11px; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chips span { padding: 6px 8px; border: 1px solid rgba(139,245,229,0.15); border-radius: 7px; color: #b8c5c4; background: rgba(139,245,229,0.04); font: 0.7rem ui-monospace, "Cascadia Code", monospace; }
.connection-list { display: flex; flex-direction: column; gap: 12px; }
.connection { width: 100%; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px; padding: 0; border: 0; color: #bec3c5; background: transparent; font-size: 0.8rem; text-align: left; cursor: pointer; }
.connection:hover > span:first-child { color: var(--cyan); }
.connection-bar { grid-column: 1 / -1; height: 2px; border-radius: 99px; background: rgba(255,255,255,0.06); overflow: hidden; }
.connection-bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cyan-strong), var(--violet)); }
.connection em { color: var(--muted); font: normal 0.68rem ui-monospace, "Cascadia Code", monospace; }
.muted-copy { color: var(--muted); font-size: 0.78rem; line-height: 1.5; }
.export-actions { position: absolute; left: 22px; right: 22px; bottom: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.map-status { display: inline-flex; align-items: center; gap: 7px; }
.map-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.map-status.busy::before { animation: pulse 900ms ease-in-out infinite alternate; }

.toast {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: 24px;
  max-width: calc(100vw - 32px);
  padding: 11px 15px;
  border: 1px solid var(--line-bright);
  border-radius: 10px;
  background: #151b20;
  box-shadow: 0 18px 50px rgba(0,0,0,0.4);
  color: var(--text);
  font-size: 0.78rem;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 180ms ease, transform 180ms ease;
}
.toast.visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1050px) {
  .workspace { grid-template-columns: minmax(220px, 0.72fr) minmax(460px, 1.8fr); height: auto; min-height: 0; }
  .inspector { grid-column: 1 / -1; min-height: 360px; }
  .inspector .full-width { position: static; width: 100%; margin-top: 28px; }
  .export-actions { position: static; margin-top: 28px; }
  .inspector-topline { margin-bottom: 24px; }
}

@keyframes shimmer { to { background-position: -120% 0; } }
@keyframes pulse { from { opacity: .35; transform: scale(.75); } to { opacity: 1; transform: scale(1.25); } }

@media (max-width: 760px) {
  .app-shell { padding: 10px; }
  .topbar { align-items: flex-start; padding: 4px 2px 12px; }
  .topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
  .privacy-pill, .button-ghost { display: none; }
  .workspace { display: flex; flex-direction: column; min-height: 0; }
  .atlas { order: 1; min-height: 600px; }
  .library { order: 2; min-height: 520px; }
  .inspector { order: 3; min-height: 420px; }
  .canvas-wrap { min-height: 440px; }
  .atlas-toolbar, .atlas-footer { padding: 16px; }
  .atlas-footer { flex-wrap: wrap; }
  .metric-wide { flex-basis: 100%; }
  .legend { max-width: calc(100% - 32px); flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}